Related to CaCl2

Gateway means the BT electronic gateway, used for all ordering or fault reporting as described in the relevant section of the Handbook;
Crosswalk means that part of a roadway at an intersection included within the connections of the
First Storey - means that part of a building having a floor area closest to grade with a ceiling height of more than 1.8 metres (6 ft.) above grade.
Spring means a source of water where an aquifer comes in contact with the ground surface.
Youth center means any public or private facility that is primarily used to host recreational or social activities for minors, including, but not limited to, private youth membership organizations or clubs, social service teenage club facilities, video arcades, or similar amusement park facilities.

CaCl2 definition